Bag



FIG. 1 is a top front side perspective view of a bag showing my new design;

FIG. 2 is a front view of the bag;

FIG. 3 is a rear view of the bag;

FIG. 4 is a right side view of the bag;

FIG. 5 is a left side view of the bag;

FIG. 6 is a top view of the bag; and,

FIG. 7 is a bottom view of the bag.

The broken lines are illustrative of portions of the bag forming no part of the claimed design. 

CLAIM The ornamental design for a bag, as shown and described. 